Lifetime Connectivity

RCF12-50JFN
1/2" RADIAFLEX® RCF Cable

Rev : B | Rev date : 15 Nov 2025
  • RADIAFLEX® functions as a distributed antenna to provide communications in tunnels, mines and large building complexes and is the solution for any application in confined areas.
  • Slots in the copper outer conductor allow a controlled portion of the internal RF energy to be radiated into the surrounding environment. Conversely, a signal transmitted near the cable will couple into the slots and be carried along the cable length.
  • RADIAFLEX® is used for both one-way and two-way communication systems and because of its broadband capability, a single radiating cable can handle multiple communication systems simultaneously.
  • This RADIAFLEX® radiating cable utilize a low-loss cellular polyethylene foam dielectric and a corrugated copper outer conductor which offers a combination of remarkable flexibility, high strength and excellent electrical performance.

Features / Benefits

  • Broadband radiating cable supporting all wireless application between 75 MHz to 6000 MHz
  • Ideally suited for application that require low bending radii
  • Robust radiating cable operational under all enviromental conditions as e.g. harsh tunnels or mines
rcf12-50.jpg
Structure
Cable Type RCF
Size 1/2
Inner Conductor Material Copper Clad Aluminum Wire
Outer Conductor Material Corrugated Copper Tube
Jacket JFN
Jacket Color Standard Black, other colors on request
Jacket Description Halogen free, non corrosive, flame retardant, low smoke, polyolefin
Slot Design Milled (Two-Row)
Indication of Slot Alignment None
Mechanical Specification
Diameter Inner Conductor 4.8mm (0.19in)
Diameter Outer Conductor 13.8mm (0.54in)
Minimum Bending Radius 125mm (4.9in)
Cable Weight 0.22kg/m (0.15lb/ft)
Tensile Force 1,100N (247lb)
Recommended / Maximum Clamp Spacing 0.6m (2ft)
Minimum Distance to Wall 50mm (1.97in)
Electrical Specification
Impedance 50 +/- 2 Ω
Max. Operating Frequency 6,000 MHz
Velocity 88 %
Capacitance 76pF/m (23.2pF/ft)
Inductance 0.19µH/m (0.058µH/ft)
DC-resistance inner conductor 1.57Ω/km (0.48Ω/kft)
DC-resistance outer conductor 3.48Ω/km (1.06Ω/kft)
Stop bands None
Frequency Selection 600 900 1800/1900 2200 2400 2500 2700 6000
Testing and Environmental
Operation Temperature -40 - 85 °C (-40 - 185°F)
Installation Temperature -25 - 60 °C (-13 - 140°F)
Storage Temperature -70 - 85 °C (-94 - 185°F)
Compliance Test methods for fire behaviour of cable :
IEC 60754-1/-2 smoke emission: halogen free, non corrosive
IEC 61034 low smoke
IEC 60332-1 flame retardant
Attenuation and Coupling loss
Frequency, MHz Longitudinal Loss, dB/100 m (dB/100 ft) Coupling Loss 50%, dB Coupling Loss 95%, dB
75 2.20 (0.67) 50 62
150 3.15 (0.96) 59 71
450 5.70 (1.74) 67 79
800 7.83 (2.39) 67 79
870 8.25 (2.51) 66 79
900 8.40 (2.56) 66 78
960 8.65 (2.64) 66 78
1800 13.1 (3.99) 68 80
1900 13.6 (4.15) 69 81
2000 14.0 (4.27) 72 84
2200 14.7 (4.48) 70 82
2400 15.3 (4.66) 70 82
2600 15.9 (4.85) 70 82
5000 24.8 (7.56) 75 87
5200 25.7 (7.83) 75 87
5800 27.6 (8.41) 75 87
6000 29.9 (8.81) 75 87
@ 20°C (68°F) 
  • Coupling loss as well as longitudinal attenuation of RADIAFLEX® cables are measured by the free space method according to IEC 61196-4.
  • Coupling loss values are average values of all three spatial orientations (radial, parallel and orthogonal) of dipole antenna.
  • Coupling loss values are given with a tolerance of +10 dB and longitudinal loss values with a tolerance of +5%. Note: Measured values below nominal are better. They are not limited by any tolerance-range.
  • As with any radiating cable, the performance in building or tunnel environments may deviate from figures based on free space method.